THE small talk is over, the first date was a success and you've finally made it through the door of your new beau's home.

Could this be the soulmate you've been searching for, or is the relationship destined to fail? There is, a new survey reveals, only one way to find out.

Forget about checking out the contents of the bathroom cabinet or taking a furtive glance at their diary. Prospective partners, it seems, should make a beeline for the underwear drawer when let loose in their dates' homes for the first time.